 

	<!-- bootstrap / 进度条 start-->
	<!-- 文档地址 https://getbootstrap.net/docs/components/progress/ -->
	<div class="progress" style="margin: 1rem">
	  <div class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100"></div>
	</div>
	
	<script type="text/javascript">
		//获取进度条
		var bar=$('.progress-bar');
		var value=0;
		var interval=setInterval(function(){
		  	value+=10;
		  	if (value==100) {
		  		clearInterval(interval);
		  	}
		  	
		  	bar.css('width', value+'%');//设置值
		  	console.log(value);
		},1000);
		
	</script>
	<!-- bootstrap / 进度条 end-->